1O0K

Structure of the First Parallel DNA Quadruplex-drug Complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	5'-D(*TP*GP*GP*GP*GP*T)-3'	polymer	6	1880.3	4
2	A, C	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
3	B, C, D	DAUNOMYCIN	non-polymer		527.5	3	Chemie (DM1)
4		water	water		18.0	167	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	7521.0
Non-Polymers*	Number of molecules	6
	Total formula weight	1651.5
All*	Total formula weight	9172.5

*Water molecules are not included.